package com.zzy.ymcc.mq.consumer;

import com.alibaba.fastjson.JSON;
import com.zzy.ymcc.domain.MediaFile;
import com.zzy.ymcc.service.IMediaFileService;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.nio.charset.StandardCharsets;

@Component
@RocketMQMessageListener(
        consumerGroup="course-video-push-consumer-group",
        topic="topic-coursevideo",
        selectorExpression="tag-push",
        messageModel = MessageModel.CLUSTERING
)
public class CourseVideoPushConsumer implements RocketMQListener<MessageExt> {

    @Autowired
    private IMediaFileService mediaFileService;


    @Override
    public void onMessage(MessageExt messageModel) {
        // 1.把body数组转换为string字符串
        String messageStr = new String(messageModel.getBody(), StandardCharsets.UTF_8);
        // 2.把字符串转换为对象
        MediaFile mediaFile = JSON.parseObject(messageStr, MediaFile.class);
        // 3.调用推流方法
        mediaFileService.handleFile2m3u8(mediaFile);
    }
}
